Drop-bottom dump-car.



No. 664,988; Eaten ted I an. I, I90I.

H. WISE. I DROP BOTTOM DUMP CAR. ("0 Model.) (Application filed Oct. 8, 1900.)

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No. 664,988. Patented Jan. 1901. I

E. H. WISE. DROP BOTTOM DUMP CAB.

(Applicatiun filed Oct. 6, 1900.) N o M 0 del.)

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No. 664,988. I Patented Ian. I, I90l.

' E. H. WISE.

OROP BOTTOM DUMP OAR;

(Application filed Oct. 6, 1900.) (No Model.) 3 Sheets-Sheet 3.

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NITED STATES PATENT IFFICE.

EDGAR H. WISE, OF J OHNSTOWN, PENNSYLVANIA, ASSIGNOR OF ONE-HALF TO JOHN W. CARTER, OF SAME PLACE.

DROP-BOTTOM DUMP-CAR.

SPECIFICATION forming part of Letters Patent No. 664,988, dated January 1, 1901.

Application filed October 6, 1900. Serial No. 32,278. (No model.)

To all whom it may concern.-

Be it known that I, EDGAR H. WISE, a citizen of the United States, residing at Westmont borough, J ohnstown, in the county of Cambria and State of Pennsylvania, have invented certain new and useful Improvements in Drop-Bottom Dump-Cars, of which the following is .a specification.

This invention relates to dump-cars, and more particularly to dump-cars of the dropbottom type; and it has for its object to provide a dump-car with a tiltable body member or members and with a drop-bottom operated by the body member in its tilting movement, whereby the contents of the car are readily and efiiciently dumped or discharged.

In the drawings, Figure 1 is a side elevation of a dump-car constructed according to my invention with the parts in normal or load-carrying position. Fig. 2 is a similar view with the parts in operative or dumping position. Fig. 3 is a plan view of the dumpcar. Fig. 4 is a transverse vertical sectional view upon the line 4 4 of Fig. 1 and looking in the direction indicated by the arrow. Fig. 5 is a similar view taken upon the line 5 5 of Fig. 2 and looking in the direction indicated by the arrow. Fig. 6 is a front elevation of the traveling-crane mechanism employed in connection with my improved dump-car.

In the drawings the same reference characters denote corresponding parts in the several views.

Referring to the drawings, 1 designates side base members, and 2 designates end base members. A superposed skeleton frame consisting of brace members 3 is arranged and connected with relation to rigidity of the framework. The side base members 1 are reinforced centrally by side pieces 4, and the base-frame of the car is carried upon the usual trucks 5. p

The car-body proper consists of two sections or members 8 and 9,which are separated by an open space 9*, constituting the dumping-space,and extending through the baseframe. The body members 8 and 9 are tiltable toward and away from each other, being mounted at their respective adjacent edges upon rock-shafts 6 and 7 and normally resting throughout their major bottom portions upon the base-frame of the car. The members 8 and 9 may be of any construction adapted to the work in view, either closed upon all sides for the carrying of coal, gravel, and other finely-divided material, as shown, or of open-work construction. In the present instance each of the members 8 and 9 consists of a frame 10, which may be constructed of angle-iron, channel-iron, or other rigid members which will be unyielding in the tilting movement of the body member, and a spin or wall portion 11.

Each of the members 8 and 9 is provided, preferably at its point of greatest pivotal play, (this being in the present instance at the top of its side next adjacent the end of the car,) with an eye or opening 12, adapted for the application of the dumping mechanism hereinafter referred to.

The drop-bottom of my improved dumpcar consists in its preferred form of two members 13 and 14, arranged to close in operative position the open dumping-space 9 extending between the body members 8 and 9 and through the base-frame of the car.

The drop-bottom members 13 and 14 are mounted, each at one edge, upon rod-shafts l5 and 16, respectively, which are journaled at their ends in the side pieces 4 of the baseframe. The members 13 and 14 are thus arranged for vertical pivotal play and preferably consist each of a flat metallic plate 17.

Connected with the side edges of the dropbottom members or plates 17, adjacent the free edge portions thereof, are supportingchains 18, which are connected with a winding-shaft l9, journaled in the side pieces 4 and extending transversely of the base-frame. The shaft 19 is preferably squared at one end, as at 20, to receive an operating-crank of any desired type and is provided at the same end with a ratchet-disk 21, in connection with which operates a pawl 22, centrally carried, as at 23, upon the adjacent side piece 4.

The body members 8 and 9 are each provided at the dumping edge portion with 'a swinging tailpiece 24, loosely connected atone edge with the respective rock-shaft 6 or 7 and adapted normally to project upwardly to prevent escape of the contents of the body members 8 and 9 when the same are in loadcarrying position. The tailpieces 24 are arranged to swing vertically and to depend at the sides of the dumping-space 9 when the body members are in dumping position. In their depending position the tailpieces 24 overlap the drop-bottom members 13 and 14, as clearly shown in Fig. 2.

The tailpieces are maintained in normal upwardly-projecting position by catches 25, pivotally connected, as at 26, with the body members 8 and 9, respectively, which catches are preferably at each side of the body members and are provided with beads 25, which engage with the free edge portions of the respective tailgieces.

Each of the catches 25 is centrally supported. Pivot-ally connected with the inner end of each catch is a depending arm 27, which is curved at its lower end, as at 28, to avoid interference with the shafts 16 and 6 in the operative movements of parts, and said arm is connected with a short shaft 29, journaled in the adjacent frame side piece 1-. To the outer end of one of the shafts 29namely, that shaft which is operatively connected with the catch 25 upon the body member Sand at that side of the car at which the pawl 22 is carried-is fixed a short arm 30, the outer end of which is pivotally connected, as at 31, with a toggle 32, which is pivotally connected with the pawl 22. It is manifest that in the dumping movement of the body members 8 and 9 the connection of the catches 25 with the car-frame by means of the arms 27 will cause the disengagement of the catch-heads 25 from the tailpieces 24 and allow the latter to assume a depending position, whereby the contents of the body members 8 and 9 may be freely discharged through the dump ing-space 9. It is further manifest that as the arm 27, with which is connected the arm 30, is swung downwardly and forwardly in the dumping movement, as last described, the arm 30 will operate the toggle 32 to disengage the pawl from the ratchet 21 and allow the drop-bottom members 13 and 14c to fall, thus opening the dumping-space for the discharge of the contents of the body mem bers.

Space is provided between the side baseframe members 1 and beneath each of the body members 8 and 9 for a stean1-coil 33, which steanrcoils are respectively provided with a coupling'head 35, whereby the coils of a plurality of cars may be connected as-is customary in the steam-fittings of rolling-stock. The two coils 33 are connected by a pipe 35,

extending along one of the base-frame side members 1.

In Fig. 6 is illustrated a traveling crane 36, which may be of the ordinary or any preferred type and is suitably disposed upon tracks 30 for travel above the dumping-beds onto which the dump-car unloads. The crane 36 embodies a lifting member 37, and in adapting the same for use in connection with my improved dump-car the lifting member 37 is provided with depending chains 38, adapted forconnection, by means of hooks 39, with the eyes or rings 12 upon the car-body members 8 and 9. It is manifest, however, that any suitable means for tilting the body members 8 and 9 to dump the same may be employed.

The operation and advantages of my improved dump-car will be readily understood from the foregoing description, taken in connection with the following statement:

With the parts in the position shown in Fig. 1 the body members 8 and 9 may be loaded, and the tailpieces 2 f will normally prevent escape of the contents thereof by jar and shaking in transit. Should any such escape take place, however-,the misplaced contents will fall upon the drop-bottom members 13 and 14;, which will retain the same upon the car until the dumping operation takes place. When the car is brought to the dumping-place and a crane, such as that shown in Fig.3,is used to dump the load,the hooks 39 are connected with the eyes or rings 12 and the crane is operated to swing the body members 8 and 9 upwardly and toward the dumpingspace at the center of the car. During this movement the arms 27 are swung forwardly by the body members and oscillate the catches 25 to disengage the same from the tailpieces 24c and allow the latter to fall, and time permits dumping. Simultaneously the toggle 32 is operated by the arm 30 and by one of the arms 27, which is connected with one of the catches 25 upon the body member 8, and the pawl 22 is thus disengaged from the ratchet 21, allowing the chains 18 to unwind from the winding-shaft 19, whereby the drop-bottom members 13 and 14 fall by gravity and open the dumpingspace for discharging the contents of the body members 8 and 9. When the dumping operation is completed, the body members 8 and 9 are allowed to tilt rearwardly into loading position, and the tailpieces 24 are raised and engaged with the catches 25. A crank is then applied to the shaft 19, and the drop-bottom members 13and 14: are raised by the chains 18 and locked in raised position by the pawl 22 and ratchet 21 to close the dumpingspace.

The steam-coils 33 are energized when in cold weather the contents of the body members 8 and 9 are liable to become lumped, and thus preclude ready dumpin The skeleton frame 3 of the car may be of any adapted form, and the base-frame, consisting of the side members 1 and end members 2 and brace-pieces 4, may also be of any suitable construction. The invention is adaptable to box-cars as well as fiat cars, and cars of the ordinary construction may be transformed into dump-cars of the type of my invention by providing the central dumpingspace, the drop-bottom, and the tiltable body members together with the several operative connections described.

I do not limit myself to the specific details of construction and arrangement described, as it is manifest that considerable variation and modification may be made in adapting my invention to different conditions of use, and I therefore reserve the right to all such variations and modifications as properly fall within the scope of my invention and the terms of the following claims.

Having thus described my invention, I claim and desire to secure by Letters Patent 1. An improved dump-car of the class described, comprising' the frame, the tiltable body members, and the drop-bottom in operative connection with the body members, for the purpose set forth.

2. An improved dump-car of the class described, comprising the frame, the tiltable body members mounted thereon, a dumpingspace provided between the body members, and a drop-bottom normally closing the dumping-space, and in operative connection with one of the tiltable body members.

3. An improved dump-car of the class described, comprising the frame, a tiltable body mounted thereon, a dumping-space being provided, a drop-bottom normally closing the dumping-space, an adjustable end closure for the body, means normally maintaining the drop-bottom in operative position, means normally maintaining the end closure in operative position, and means operated by the body in the tilting movement thereof for freeing the end closure and for freeing the drop-bot tom, for the purpose set forth.

4. An improved dump-car of the class described, comprising the frame, a tiltable body mounted thereon, a dumping-space being provided adjacent the tiltable body, a drop-bottom normally closing the dumpingspace, an

adjustable end closure for the body, means normally maintaining the drop-bottom in operative position, and means normally maintaining the end closure in operative position, said means being both in operative connection with the body, whereby the dumping movement thereof frees the end closure and the drop-bottom.

5. In a dump-car of the class described, a tiltable body, the frame having the dumpingspace, a drop-bottom normally closing the dumping-space, and adjustable means for maintaining the drop-bottom in normal position, said means embodying a member operatively connected with the body and with the frame whereby the dumping movement of the body frees the drop-bottom.

6. In a dump-car of the class described, a tiltable body, the frame having the dumpingspace, a drop-bottom normally closing the dumping-space, an adjustable end closure for the body, a catch device pivoted to the body and arranged to normally engage and maintain the end closure in operative position, an arm pivoted to the catch device and to the frame, and means for normally maintaining the drop-bottom in operative position, said means embodying a supplementary arm operatively connected with said first-named arm, the construction and relative arrangement being such that said end closure and said dropbottom are freed in the dumping movement of the body.

In testimony whereof I have signed my name in the presence of the subscribing witnesses.

EDGAR H. WISE. 

